US9136613B2 - Electric connection terminal - Google Patents

Electric connection terminal Download PDF

Info

Publication number
US9136613B2
US9136613B2 US14/132,030 US201314132030A US9136613B2 US 9136613 B2 US9136613 B2 US 9136613B2 US 201314132030 A US201314132030 A US 201314132030A US 9136613 B2 US9136613 B2 US 9136613B2
Authority
US
United States
Prior art keywords
crimping
conductor
section
electric wire
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US14/132,030
Other versions
US20140106629A1 (en
Inventor
Kouichiro Matsushita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yazaki Corp
Original Assignee
Yazaki Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yazaki Corp filed Critical Yazaki Corp
Assigned to YAZAKI CORPORATION reassignment YAZAKI CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MATSUSHITA, KOUICHIRO
Publication of US20140106629A1 publication Critical patent/US20140106629A1/en
Application granted granted Critical
Publication of US9136613B2 publication Critical patent/US9136613B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • H01R4/203—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve having an uneven wire-receiving surface to improve the contact
    • H01R4/206—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve having an uneven wire-receiving surface to improve the contact with transversal grooves or threads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • H01R43/0488—Crimping apparatus or processes with crimp height adjusting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins

Definitions

  • the present invention relates to an electric connection terminal connected to a covered electric wire.
  • a known electric connection terminal usually has a contact section to be electrically connected to an opposite terminal and a wire crimping section that is a swaging section integral with the contact section and is crimped around the conductor and cover of a covered electric wire so as to be electrically connected and fixed to the covered electric wire.
  • a wire crimping section that is a swaging section integral with the contact section and is crimped around the conductor and cover of a covered electric wire so as to be electrically connected and fixed to the covered electric wire.
  • This electric connection terminal includes a wire barrel to crimp the wire crimping section around the conductor of the covered electric wire, an insulation barrel to crimp the cover of the covered electric wire, and a continuous wall to connect the wire barrel and insulation barrel to each other.
  • the continuous wall prevents the conductor of the covered electric wire from being exposed to the outside between the wire barrel and the insulation barrel, thereby suppressing electrolytic corrosion of the conductor.
  • the above-mentioned electric connection terminal forms a gap between the crimping section and the covered electric wire at a position of the continuous wall when the crimping section is crimped around the covered electric wire.
  • the gap may allow water and the like to enter.
  • the present invention provides an electric connection terminal capable of preventing the formation of a gap between a crimping section and a covered electric wire and improving water resistance.
  • an electric connection terminal including a contact section to be electrically connected to an opposite terminal and a crimping section that is integral with the contact section and is crimped to cover the conductor and cover of a covered electric wire so as to be electrically connected and fixed to the covered electric wire.
  • the crimping section includes a conductor crimping part to be tightly attached to and crimped around the conductor of the covered electric wire, a cover crimping part to be tightly attached to and crimped around the cover of the covered electric wire, and a boundary crimping part to be tightly attached to and crimped around the vicinity of a boundary between the cover and conductor of the covered electric wire.
  • the boundary-crimping portion is designed with a higher compressibility in a state in which the coated electrical cable has been crimped than the compressibility of the coating-crimping portion.
  • FIG. 1 [ FIG. 1 ]
  • FIG. 2 [ FIG. 2 ]
  • FIG. 1 It is a fragmentary sectional view, taken from FIG. 1 , of the electric connection terminal according to the embodiment of the present invention.
  • FIG. 3 [ FIG. 3 ]
  • (a) is a sectional view of a conductor crimping part of the electric connection terminal according to the embodiment of the present invention.
  • (b) is a sectional view of a boundary crimping part of the electric connection terminal according to the embodiment of the present invention, and
  • (c) is a sectional view of a cover crimping part of the electric connection terminal according to the embodiment of the present invention.
  • FIGS. 1 to 3 an electric connection terminal according to an embodiment of the present invention will be explained.
  • the electric connection terminal 1 includes a contact section 3 to be electrically connected to an opposite terminal (not illustrated) and a crimping section 11 that is integrally formed with the contact section 3 and is crimped to cover a conductor 7 and cover 9 of a covered electric wire (cable) 5 so as to be electrically connected and fixed to the covered electric wire 5 .
  • the crimping section 11 includes a conductor crimping part 13 to be tightly attached to and crimped around the conductor 7 of the covered electric wire 5 , a cover crimping part 15 to be tightly attached to and crimped around the cover 9 of the covered electric wire 5 , and a boundary crimping part 19 to be tightly attached to and crimped around the vicinity of a boundary 17 between the cover 9 and conductor 7 of the covered electric wire 5 .
  • the crimping section 11 has a conductor crimping portion 13 that is tight-contact crimped to the conductor portion 7 of the coated electrical cable 5 , a coating-crimping portion 15 that is tight-contact crimped to the coating 9 on the coated electrical cable 5 , and a boundary-crimping portion 19 that is tight-contact crimped to the boundary 17 between the coated electrical cable 5 coating 9 and conductor portion 7 , and thereabouts.
  • the boundary-crimping portion 19 is designed with a higher compressibility in a state in which the coated electrical cable 5 has been crimped than the compressibility of the coating-crimping portion 15 .
  • the crimping section 11 is provided with a taper 21 at an end of the cover crimping part 15 , to form a downward slope toward the conductor 7 .
  • a sealing member 23 to seal the inside of the crimping section 11 .
  • the electric connection terminal 1 has the contact section 3 and crimping section 11 .
  • the contact section 3 is a cylindrical female mold to receive a tab of the opposite terminal, i.e., a male mold terminal (not illustrated) so that the opposite terminal and electric connection terminal 1 are electrically connected to each other.
  • the contact section 3 is integral with the crimping section 11 .
  • the crimping section 11 has a bottom wall 25 and a pair of side walls 27 .
  • the bottom wall 25 is a member continuous to the contact section 3 and extends in a longitudinal direction of the electric connection terminal 1 .
  • the bottom wall 25 is arranged under the conductor 7 and cover 9 of the covered electric wire 5 .
  • Each widthwise side of the bottom wall 25 is provided with the side wall 27 .
  • the pair of side walls 27 are each a member continuous to the widthwise side of the bottom wall 25 .
  • the pair of side walls 27 are crimped at an end of the covered electric wire 5 where the conductor 7 is exposed by removing the cover 9 with a jig (not illustrated) having upper and lower dies.
  • the pair of side walls 27 include the conductor crimping part 13 to be tightly attached to and crimped around the conductor 7 of the covered electric wire 5 , the cover crimping part 15 to be tightly attached to and crimped around the cover 9 of the covered electric wire 5 , and the boundary crimping part 19 to be tightly attached to and crimped around the vicinity of the boundary 17 between the cover 9 and conductor 7 of the covered electric wire 5 . Accordingly, inner faces of the pair of side walls 27 are tightly attached to an entire area from the conductor 7 to the cover 9 of the covered electric wire 5 .
  • the conductor crimping part 13 is tightly attached to the conductor 7 of the covered electric wire 5 , to electrically connect the covered electric wire 5 and electric connection terminal 1 to each other.
  • the compressibility of the conductor-crimping portion 13 with respect to the conductor 7 is designed to be higher than that of the coating-crimping portion 15 as well as the boundary-crimping portion 19 . That is, the compressibility of the conductor-crimping portion 13 is designed to be the highest of the crimping section 11 portions. This suppresses water and the like from penetrating the crimping section 11 from the conductor crimping part 13 side.
  • the cover crimping part 15 is tightly attached to the cover 9 of the covered electric wire 5 , to fix the electric connection terminal 1 to the covered electric wire 5 .
  • the compressibility of the coating-crimping portion 15 with respect to the coating 9 is designed to be lower than that of the conductor-crimping portion 13 as well as the boundary-crimping portion 19 . That is, the compressibility of the coating-crimping portion 15 is designed to be the lowest of the crimping section 11 portions. It will be appreciated that the compressibility of the coating-crimping portion 15 is determined to be that extent at which the electrical connection terminal 1 is fixed to the coated electrical cable 5 , and water cannot invasively enter in between the coating-crimping portion 15 and the coating 9 .
  • the boundary crimping part 19 is tightly attached to the vicinity of the boundary 17 between the cover 9 and conductor 7 of the covered electric wire 5 , to prevent the formation of a gap between the crimping section 11 and the covered electric wire 5 .
  • the compressibility of the boundary-crimping portion 19 with respect to the boundary region 17 and its environs is designed to be higher than that of the coating-crimping portion 15 .
  • the outer diameter of the cover 9 at the boundary crimping part 19 is tightened and reduced smaller than the outer diameter of the cover 9 at the cover crimping part 15 , so that no gap is formed between the boundary crimping part 19 and the covered electric wire 5 and no water penetrates the location.
  • the longitudinal length Li of the part to crimp the cover 9 of the covered electric wire 5 is set to be longer than the length Lc of the conductor crimping part 13 . Even if water enters from an end of the cover crimping part 15 into the crimping section 11 , the water is suppressed from reaching the conductor 7 because of the long distance up to the conductor 7 .
  • the taper 21 is present to form a downward slope toward the conductor 7 .
  • the taper 21 prevents the end of the cover crimping part 15 from piercing and damaging the cover 9 when the crimping section 11 is crimped around the covered electric wire 5 .
  • an end of the conductor crimping part 13 is provided with the sealing member 23 to seal the inside of the crimping section 11 .
  • the sealing member 23 is an insulating material or a conductive material.
  • the insulating material may be synthetic rubber, ultraviolet curable resin, or the like. If the sealing member 23 is made of synthetic rubber, the rubber is formed into a cap shape.
  • the synthetic rubber is set to a tip of the conductor 7 of the covered electric wire 5 .
  • the crimping section 11 is set on the covered electric wire 5 and the crimping section 11 is crimped with a jig so that a tip of the conductor crimping part 13 covers the synthetic rubber.
  • the synthetic rubber serving as the sealing member 23 is closely attached to an outer circumferential face of the conductor 7 and an inner circumferential face of the conductor crimping part 13 , thereby sealing the inside of the crimping section 11 .
  • the sealing member 23 If ultraviolet curable resin is used as the sealing member 23 , the crimping section 11 is crimped around the covered electric wire 5 and the ultraviolet curable resin is applied to a tip of the conductor crimping part 13 so that the resin covers the conductor 7 and seal the tip of the conductor crimping part 13 . Then, ultraviolet rays are applied to harden the ultraviolet curable resin.
  • the ultraviolet curable resin serving as the sealing member 23 prevents the conductor 7 from being exposed to the outside and is closely attached to a front end face of the conductor crimping part 13 , thereby sealing the inside of the crimping section 11 .
  • the sealing member 23 made of the insulating material enhances tight contact among the sealing member 23 , conductor 7 , and crimping section 11 , improves a sealing performance, and prevents water and the like from entering the crimping section 11 .
  • the conductive material may be solder, a low-melting-point metal chip, or the like.
  • solder is used as the sealing member 23 , the crimping section 11 is crimped around the covered electric wire 5 and the solder is arranged to cover and seal the conductor 7 at a tip of the conductor crimping part 13 . The solder is then hardened. The solder serving as the sealing member 23 prevents the conductor 7 from being exposed to the outside, closely attaches to a front end face of the conductor crimping part 13 , and seals the inside of the crimping section 11 .
  • the low-melting-point metal chip When using the low-melting-point metal chip as the sealing member 23 , the low-melting-point metal chip is arranged to cover the conductor 7 of the covered electric wire 5 before crimping the crimping section 11 around the covered electric wire 5 .
  • the covered electric wire 5 is arranged in the crimping section 11 and the crimping section 11 is crimped with a jig while applying a predetermined pressure or heat thereto, thereby covering the low-melting-point metal chip with a front end of the conductor crimping part 13 .
  • the low-melting-point metal chip serving as the sealing member 23 melts at a relatively low temperature, closely attaches to front end faces of the conductor 7 and conductor crimping part 13 , and seals the inside of the crimping section 11 .
  • the sealing member 23 of the conductive material prevents water and the like from penetrating into the crimping section 11 and increases a contact area between the conductor 7 of the covered electric wire 5 and the crimping section 11 .
  • the crimping section 11 is tightly attached to and crimped around the conductor 7 to the cover 9 of the covered electric wire 5 , thereby preventing the formation of a gap that may allow water and the like to penetrate between the crimping section 11 and the covered electric wire 5 .
  • a compression ratio of the boundary crimping part 19 in the state of crimped around the covered electric wire 5 is set to be higher than that of the cover crimping part 15 . Even if water and the like enters from the cover crimping part 15 , the boundary crimping part 19 prevents penetration of the water and the like, thereby preventing the conductor 7 from being corroded with the water and the like.
  • the electric connection terminal 1 mentioned above is capable of preventing the formation of a water penetrative gap between the crimping section 11 and the covered electric wire 5 , thereby improving water resistivity and suppressing corrosion of the conductor 7 of the covered electric wire 5 .
  • the longitudinal length Li of the part to be crimped around the cover 9 of the covered electric wire 5 is set to be longer than the length Lc of the conductor crimping part 13 . Even if water enters from an end of the cover crimping part 15 into the crimping section 11 , the water hardly reaches the conductor 7 because of the long distance up to the conductor 7 , thereby preventing the water and the like from wetting the conductor 7 .
  • the crimping section 11 is provided with the taper 21 to form a downward slope toward the conductor 7 .
  • the taper 21 prevents the end of the cover crimping part 15 from damaging the cover 9 when the crimping section 11 is crimped around the covered electric wire 5 , thereby protecting the covered electric wire 5 .
  • an end of the conductor crimping part 13 is provided with the sealing member 23 to prevent water and the like from entering into the conductor 7 from the end of the conductor crimping part 13 , thereby preventing corrosion of the conductor 7 .
  • the sealing member 23 is arranged at an end of the conductor crimping part 13 of the crimping section 11 when the crimping section 11 is crimped around the covered electric wire 5 , the number of processes can be reduced because crimping the crimping section 11 and arranging the sealing member 23 are simultaneously carried out.
  • sealing member 23 is an insulating material
  • a high water resistant material such as synthetic resin may be used to prevent water and the like from penetrating the crimping section 11 and further improve water resistivity.
  • the sealing member 23 is of an insulating material
  • ultraviolet curable resin may be chosen.
  • the ultraviolet curable resin is arranged to cover the conductor 7 before applying ultraviolet rays and ultraviolet rays are applied to the ultraviolet curable resin to harden the ultraviolet curable resin and seal an end of the conductor crimping part 13 of the crimping section 11 . Even if the end of the conductor crimping part 13 of the crimping section 11 has a complicated shape, the inside of the crimping section 11 can be sealed.
  • the sealing member 23 is made of a conductive material, the conductive material will increase a contact area between the conductor 7 of the covered electric wire 5 and the conductor crimping part 13 and improve conductivity between the covered electric wire 5 and the electric connection terminal 1 .
  • the sealing member 23 is made of a conductive material and if the conductive material is low-melting-point metal, heat of relatively low temperature is applied to the crimping section 11 or pressure is applied when crimping the crimping section 11 , so that the low-melting-point metal melts to cover the conductor 7 . This increases a contact area between the conductor 7 and the conductor crimping part 13 and seals an end of the conductor crimping part 13 .
  • the electric connection terminal according to the embodiment of the present invention is the female terminal having the cylindrical contact section, it may be a male terminal having a tab serving as a contact section.
  • the material and shape of the sealing member are properly selected according to environments and are not limited to those mentioned above.
  • the present invention has an effect of providing the electric connection terminal that prevents the formation of a gap between the crimping section and a covered electric wire and improves water resistivity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

An electric connection terminal includes a contact section for electrical connection to an opposite terminal and a crimping section with the contact section being crimped to cover the conductor and cover of a covered electric wire. The crimping section includes a conductor crimping part to be tightly attached to and crimped around the conductor, a cover crimping part to be tightly attached to and crimped around the cover of the covered electric wire, and a boundary crimping part to be tightly attached to and crimped around the vicinity of a boundary between the cover and conductor. A compression ratio of the boundary crimping part in a state of crimped around the covered electric wire is set to be higher than that of the cover crimping part.

Description

CROSS REFERENCE TO RELATED APPLICATION
This application is a Continuation of PCT Application No. PCT/JP2012/003986, filed on Jun. 19,2012, and claims the benefit of priority under 35 U.S.C. 119(a) to Japanese Patent Application No. 2011-136542 filed on Jun. 20, 2011, the entire contents of which are incorporated by reference herein.
TECHNICAL FIELD
The present invention relates to an electric connection terminal connected to a covered electric wire.
BACKGROUND ART
A known electric connection terminal usually has a contact section to be electrically connected to an opposite terminal and a wire crimping section that is a swaging section integral with the contact section and is crimped around the conductor and cover of a covered electric wire so as to be electrically connected and fixed to the covered electric wire. One is described in, for example, Japanese Unexamined Patent Application Publication No. 2010-15915.
This electric connection terminal includes a wire barrel to crimp the wire crimping section around the conductor of the covered electric wire, an insulation barrel to crimp the cover of the covered electric wire, and a continuous wall to connect the wire barrel and insulation barrel to each other.
When the wire crimping section is crimped at an end of the covered electric wire, the continuous wall prevents the conductor of the covered electric wire from being exposed to the outside between the wire barrel and the insulation barrel, thereby suppressing electrolytic corrosion of the conductor.
SUMMARY OF INVENTION Technical Problem
The above-mentioned electric connection terminal, however, forms a gap between the crimping section and the covered electric wire at a position of the continuous wall when the crimping section is crimped around the covered electric wire. The gap may allow water and the like to enter.
The present invention provides an electric connection terminal capable of preventing the formation of a gap between a crimping section and a covered electric wire and improving water resistance.
Solution to Problem
According to a technical aspect of the present invention, there is provided an electric connection terminal including a contact section to be electrically connected to an opposite terminal and a crimping section that is integral with the contact section and is crimped to cover the conductor and cover of a covered electric wire so as to be electrically connected and fixed to the covered electric wire. The crimping section includes a conductor crimping part to be tightly attached to and crimped around the conductor of the covered electric wire, a cover crimping part to be tightly attached to and crimped around the cover of the covered electric wire, and a boundary crimping part to be tightly attached to and crimped around the vicinity of a boundary between the cover and conductor of the covered electric wire. The boundary-crimping portion is designed with a higher compressibility in a state in which the coated electrical cable has been crimped than the compressibility of the coating-crimping portion.
BRIEF DESCRIPTION OF DRAWING
[FIG. 1]
It is a perspective view of an electric connection terminal according to an embodiment of the present invention.
[FIG. 2]
It is a fragmentary sectional view, taken from FIG. 1, of the electric connection terminal according to the embodiment of the present invention.
[FIG. 3]
(a) is a sectional view of a conductor crimping part of the electric connection terminal according to the embodiment of the present invention. (b) is a sectional view of a boundary crimping part of the electric connection terminal according to the embodiment of the present invention, and (c) is a sectional view of a cover crimping part of the electric connection terminal according to the embodiment of the present invention.
 DESCRIPTION OF EMBODIMENTS
With reference to FIGS. 1 to 3, an electric connection terminal according to an embodiment of the present invention will be explained.
The electric connection terminal 1 according to the embodiment includes a contact section 3 to be electrically connected to an opposite terminal (not illustrated) and a crimping section 11 that is integrally formed with the contact section 3 and is crimped to cover a conductor 7 and cover 9 of a covered electric wire (cable) 5 so as to be electrically connected and fixed to the covered electric wire 5.
The crimping section 11 includes a conductor crimping part 13 to be tightly attached to and crimped around the conductor 7 of the covered electric wire 5, a cover crimping part 15 to be tightly attached to and crimped around the cover 9 of the covered electric wire 5, and a boundary crimping part 19 to be tightly attached to and crimped around the vicinity of a boundary 17 between the cover 9 and conductor 7 of the covered electric wire 5.
The crimping section 11 has a conductor crimping portion 13 that is tight-contact crimped to the conductor portion 7 of the coated electrical cable 5, a coating-crimping portion 15 that is tight-contact crimped to the coating 9 on the coated electrical cable 5, and a boundary-crimping portion 19 that is tight-contact crimped to the boundary 17 between the coated electrical cable 5 coating 9 and conductor portion 7, and thereabouts. The boundary-crimping portion 19 is designed with a higher compressibility in a state in which the coated electrical cable 5 has been crimped than the compressibility of the coating-crimping portion 15.
In addition, the crimping section 11 is provided with a taper 21 at an end of the cover crimping part 15, to form a downward slope toward the conductor 7.
Also, at an end of the conductor crimping part 13 of the crimping section 11, there is a sealing member 23 to seal the inside of the crimping section 11.
As illustrated in FIGS. 1 to 3, the electric connection terminal 1 has the contact section 3 and crimping section 11. The contact section 3 is a cylindrical female mold to receive a tab of the opposite terminal, i.e., a male mold terminal (not illustrated) so that the opposite terminal and electric connection terminal 1 are electrically connected to each other. The contact section 3 is integral with the crimping section 11.
The crimping section 11 has a bottom wall 25 and a pair of side walls 27. The bottom wall 25 is a member continuous to the contact section 3 and extends in a longitudinal direction of the electric connection terminal 1. The bottom wall 25 is arranged under the conductor 7 and cover 9 of the covered electric wire 5. Each widthwise side of the bottom wall 25 is provided with the side wall 27.
The pair of side walls 27 are each a member continuous to the widthwise side of the bottom wall 25. The pair of side walls 27 are crimped at an end of the covered electric wire 5 where the conductor 7 is exposed by removing the cover 9 with a jig (not illustrated) having upper and lower dies.
The pair of side walls 27 include the conductor crimping part 13 to be tightly attached to and crimped around the conductor 7 of the covered electric wire 5, the cover crimping part 15 to be tightly attached to and crimped around the cover 9 of the covered electric wire 5, and the boundary crimping part 19 to be tightly attached to and crimped around the vicinity of the boundary 17 between the cover 9 and conductor 7 of the covered electric wire 5. Accordingly, inner faces of the pair of side walls 27 are tightly attached to an entire area from the conductor 7 to the cover 9 of the covered electric wire 5.
The conductor crimping part 13 is tightly attached to the conductor 7 of the covered electric wire 5, to electrically connect the covered electric wire 5 and electric connection terminal 1 to each other. The compressibility of the conductor-crimping portion 13 with respect to the conductor 7 is designed to be higher than that of the coating-crimping portion 15 as well as the boundary-crimping portion 19. That is, the compressibility of the conductor-crimping portion 13 is designed to be the highest of the crimping section 11 portions. This suppresses water and the like from penetrating the crimping section 11 from the conductor crimping part 13 side.
The cover crimping part 15 is tightly attached to the cover 9 of the covered electric wire 5, to fix the electric connection terminal 1 to the covered electric wire 5. The compressibility of the coating-crimping portion 15 with respect to the coating 9 is designed to be lower than that of the conductor-crimping portion 13 as well as the boundary-crimping portion 19. That is, the compressibility of the coating-crimping portion 15 is designed to be the lowest of the crimping section 11 portions. It will be appreciated that the compressibility of the coating-crimping portion 15 is determined to be that extent at which the electrical connection terminal 1 is fixed to the coated electrical cable 5, and water cannot invasively enter in between the coating-crimping portion 15 and the coating 9.
The boundary crimping part 19 is tightly attached to the vicinity of the boundary 17 between the cover 9 and conductor 7 of the covered electric wire 5, to prevent the formation of a gap between the crimping section 11 and the covered electric wire 5. The compressibility of the boundary-crimping portion 19 with respect to the boundary region 17 and its environs is designed to be higher than that of the coating-crimping portion 15. As a result, the outer diameter of the cover 9 at the boundary crimping part 19 is tightened and reduced smaller than the outer diameter of the cover 9 at the cover crimping part 15, so that no gap is formed between the boundary crimping part 19 and the covered electric wire 5 and no water penetrates the location.
In such a crimping section 11, the longitudinal length Li of the part to crimp the cover 9 of the covered electric wire 5 is set to be longer than the length Lc of the conductor crimping part 13. Even if water enters from an end of the cover crimping part 15 into the crimping section 11, the water is suppressed from reaching the conductor 7 because of the long distance up to the conductor 7.
At an end of the cover crimping part 15, the taper 21 is present to form a downward slope toward the conductor 7. The taper 21 prevents the end of the cover crimping part 15 from piercing and damaging the cover 9 when the crimping section 11 is crimped around the covered electric wire 5.
In such a crimping section 11, an end of the conductor crimping part 13 is provided with the sealing member 23 to seal the inside of the crimping section 11.
The sealing member 23 is an insulating material or a conductive material. The insulating material may be synthetic rubber, ultraviolet curable resin, or the like. If the sealing member 23 is made of synthetic rubber, the rubber is formed into a cap shape. Before crimping the crimping section 11 around the covered electric wire 5, the synthetic rubber is set to a tip of the conductor 7 of the covered electric wire 5. In this state, the crimping section 11 is set on the covered electric wire 5 and the crimping section 11 is crimped with a jig so that a tip of the conductor crimping part 13 covers the synthetic rubber. The synthetic rubber serving as the sealing member 23 is closely attached to an outer circumferential face of the conductor 7 and an inner circumferential face of the conductor crimping part 13, thereby sealing the inside of the crimping section 11.
If ultraviolet curable resin is used as the sealing member 23, the crimping section 11 is crimped around the covered electric wire 5 and the ultraviolet curable resin is applied to a tip of the conductor crimping part 13 so that the resin covers the conductor 7 and seal the tip of the conductor crimping part 13. Then, ultraviolet rays are applied to harden the ultraviolet curable resin. The ultraviolet curable resin serving as the sealing member 23 prevents the conductor 7 from being exposed to the outside and is closely attached to a front end face of the conductor crimping part 13, thereby sealing the inside of the crimping section 11.
In this way, the sealing member 23 made of the insulating material enhances tight contact among the sealing member 23, conductor 7, and crimping section 11, improves a sealing performance, and prevents water and the like from entering the crimping section 11.
When forming the sealing member 23 from a conductive material, the conductive material may be solder, a low-melting-point metal chip, or the like. When solder is used as the sealing member 23, the crimping section 11 is crimped around the covered electric wire 5 and the solder is arranged to cover and seal the conductor 7 at a tip of the conductor crimping part 13. The solder is then hardened. The solder serving as the sealing member 23 prevents the conductor 7 from being exposed to the outside, closely attaches to a front end face of the conductor crimping part 13, and seals the inside of the crimping section 11.
When using the low-melting-point metal chip as the sealing member 23, the low-melting-point metal chip is arranged to cover the conductor 7 of the covered electric wire 5 before crimping the crimping section 11 around the covered electric wire 5. In this state, the covered electric wire 5 is arranged in the crimping section 11 and the crimping section 11 is crimped with a jig while applying a predetermined pressure or heat thereto, thereby covering the low-melting-point metal chip with a front end of the conductor crimping part 13. The low-melting-point metal chip serving as the sealing member 23 melts at a relatively low temperature, closely attaches to front end faces of the conductor 7 and conductor crimping part 13, and seals the inside of the crimping section 11.
In this way, the sealing member 23 of the conductive material prevents water and the like from penetrating into the crimping section 11 and increases a contact area between the conductor 7 of the covered electric wire 5 and the crimping section 11.
According to the electric connection terminal 1 mentioned above, the crimping section 11 is tightly attached to and crimped around the conductor 7 to the cover 9 of the covered electric wire 5, thereby preventing the formation of a gap that may allow water and the like to penetrate between the crimping section 11 and the covered electric wire 5.
A compression ratio of the boundary crimping part 19 in the state of crimped around the covered electric wire 5 is set to be higher than that of the cover crimping part 15. Even if water and the like enters from the cover crimping part 15, the boundary crimping part 19 prevents penetration of the water and the like, thereby preventing the conductor 7 from being corroded with the water and the like.
In this way, the electric connection terminal 1 mentioned above is capable of preventing the formation of a water penetrative gap between the crimping section 11 and the covered electric wire 5, thereby improving water resistivity and suppressing corrosion of the conductor 7 of the covered electric wire 5.
In the crimping section 11, the longitudinal length Li of the part to be crimped around the cover 9 of the covered electric wire 5 is set to be longer than the length Lc of the conductor crimping part 13. Even if water enters from an end of the cover crimping part 15 into the crimping section 11, the water hardly reaches the conductor 7 because of the long distance up to the conductor 7, thereby preventing the water and the like from wetting the conductor 7.
At an end of the cover crimping part 15, the crimping section 11 is provided with the taper 21 to form a downward slope toward the conductor 7. The taper 21 prevents the end of the cover crimping part 15 from damaging the cover 9 when the crimping section 11 is crimped around the covered electric wire 5, thereby protecting the covered electric wire 5.
In the crimping section 11, an end of the conductor crimping part 13 is provided with the sealing member 23 to prevent water and the like from entering into the conductor 7 from the end of the conductor crimping part 13, thereby preventing corrosion of the conductor 7.
In the case that the sealing member 23 is arranged at an end of the conductor crimping part 13 of the crimping section 11 when the crimping section 11 is crimped around the covered electric wire 5, the number of processes can be reduced because crimping the crimping section 11 and arranging the sealing member 23 are simultaneously carried out.
If the sealing member 23 is an insulating material, a high water resistant material such as synthetic resin may be used to prevent water and the like from penetrating the crimping section 11 and further improve water resistivity.
If the sealing member 23 is of an insulating material, ultraviolet curable resin may be chosen. In this case, the ultraviolet curable resin is arranged to cover the conductor 7 before applying ultraviolet rays and ultraviolet rays are applied to the ultraviolet curable resin to harden the ultraviolet curable resin and seal an end of the conductor crimping part 13 of the crimping section 11. Even if the end of the conductor crimping part 13 of the crimping section 11 has a complicated shape, the inside of the crimping section 11 can be sealed.
If the sealing member 23 is made of a conductive material, the conductive material will increase a contact area between the conductor 7 of the covered electric wire 5 and the conductor crimping part 13 and improve conductivity between the covered electric wire 5 and the electric connection terminal 1.
If the sealing member 23 is made of a conductive material and if the conductive material is low-melting-point metal, heat of relatively low temperature is applied to the crimping section 11 or pressure is applied when crimping the crimping section 11, so that the low-melting-point metal melts to cover the conductor 7. This increases a contact area between the conductor 7 and the conductor crimping part 13 and seals an end of the conductor crimping part 13.
Although the electric connection terminal according to the embodiment of the present invention is the female terminal having the cylindrical contact section, it may be a male terminal having a tab serving as a contact section.
The material and shape of the sealing member are properly selected according to environments and are not limited to those mentioned above.
The present invention has an effect of providing the electric connection terminal that prevents the formation of a gap between the crimping section and a covered electric wire and improves water resistivity.

Claims (4)

The invention claimed is:
1. An electrical connection terminal comprising:
a contact section for electrical connection with a mating terminal; and
a crimping section provided integral with the contact section, for being crimped onto, so as to cover over, a coated electrical cable from a conductor portion to a coating portion thereof, and be electrically connected and fixed to the coated electrical cable, the crimping section including:
a conductor-crimping portion for being tight-contact crimped to the conductor portion of the coated electrical cable,
a coating-crimping portion for being tight-contact crimped to the coating portion of the coated electrical cable; and
a boundary-crimping portion for being tight-contact crimped to the coated electrical cable at and along a boundary where the coating portion meets the conductor portion of the coated electrical cable; wherein
the boundary-crimping portion is established to have a higher compressibility than the compressibility of the coating-crimping portion, in a state in which the electrical connection terminal is crimped around a coated electrical cable.
2. The electrical connection terminal of claim 1, wherein the crimping section is formed with its longitudinal length where it crimps the coating portion of a coated electrical cable being longer than the length of the crimping section's conductor-crimping portion.
3. The electrical connection terminal of claim 1, wherein the coating-crimping portion of the crimping section ends in an inward-tapering rim sloping toward the conductor portion of a coated electrical wire with the electrical connection terminal having been crimped thereon.
4. The electrical connection terminal of claim 1, wherein the conductor-crimping portion of the crimping section ends in a sealing member provided for interiorly sealing the crimping section.
US14/132,030 2011-06-20 2013-12-18 Electric connection terminal Expired - Fee Related US9136613B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-136542 2011-06-20
JP2011136542A JP5789136B2 (en) 2011-06-20 2011-06-20 Electrical connection terminal
PCT/JP2012/003986 WO2012176436A1 (en) 2011-06-20 2012-06-19 Electric connection terminal comprising a boundary crimping part

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/003986 Continuation WO2012176436A1 (en) 2011-06-20 2012-06-19 Electric connection terminal comprising a boundary crimping part

Publications (2)

Publication Number Publication Date
US20140106629A1 US20140106629A1 (en) 2014-04-17
US9136613B2 true US9136613B2 (en) 2015-09-15

Family

ID=46750384

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/132,030 Expired - Fee Related US9136613B2 (en) 2011-06-20 2013-12-18 Electric connection terminal

Country Status (6)

Country Link
US (1) US9136613B2 (en)
JP (1) JP5789136B2 (en)
KR (1) KR20140022104A (en)
CN (1) CN103620871A (en)
DE (1) DE112012002559T5 (en)
WO (1) WO2012176436A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150340772A1 (en) * 2013-02-23 2015-11-26 Furukawa Electric Co., Ltd. Crimp terminal, method of manufacturing crimp terminal, electrical wire connection structure, and method of manufacturing electrical wire connection structure
US11101577B2 (en) * 2018-02-02 2021-08-24 Optimal Ventures LLC Method for connecting a crimp terminal to an electric wire

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012252900A (en) * 2011-06-03 2012-12-20 Yazaki Corp Connection terminal and connection terminal manufacturing method
JP2013115023A (en) * 2011-12-01 2013-06-10 Yazaki Corp Connection terminal
JP2014164941A (en) * 2013-02-23 2014-09-08 Furukawa Electric Co Ltd:The Crimp terminal with wire and method of manufacturing crimp terminal with wire
JP6007125B2 (en) * 2013-02-24 2016-10-12 古河電気工業株式会社 Manufacturing method of electric wire connection structure
JP6182355B2 (en) * 2013-05-10 2017-08-16 古河電気工業株式会社 Crimp connection structure, connector, and method of manufacturing crimp connection structure
JP6028934B2 (en) * 2013-12-19 2016-11-24 住友電装株式会社 Electric wire with terminal
KR101833659B1 (en) * 2014-03-24 2018-02-28 후루카와 덴키 고교 가부시키가이샤 Wire harness, connection method between covered conducting wire and terminal, and wire harness structure body
JP5931228B1 (en) 2015-01-06 2016-06-08 ファナック株式会社 Armature with windings and method for connecting armature winding terminals to terminals
USD809650S1 (en) 2016-02-22 2018-02-06 Water Pik, Inc. Oral irrigator
CN110197951B (en) * 2018-02-27 2021-01-29 中航光电科技股份有限公司 Connector assembly and equipment box
US10950954B2 (en) 2019-04-30 2021-03-16 Lear Corporation Terminal assembly and method

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594713A (en) 1970-03-06 1971-07-20 Amp Inc Electrical connector
US3728665A (en) 1970-10-26 1973-04-17 Thomas & Betts Corp Electrical connector
US3955044A (en) * 1970-12-03 1976-05-04 Amp Incorporated Corrosion proof terminal for aluminum wire
US4118097A (en) * 1976-12-29 1978-10-03 Altek Systems, Inc. Battery cable terminal assembly and method of manufacture
US5254022A (en) * 1989-07-28 1993-10-19 Edward W. Burger Electrical connector device and method of manufacturer thereof
DE19843886A1 (en) 1998-09-24 2000-03-30 Grote & Hartmann Cable shoe for electrical conductor wire or cable, has termination sleeve receiving stripped end of conductor wire or cable enclosed coaxially by reinforcing sleeve
US6206727B1 (en) * 1998-11-27 2001-03-27 Sumitomo Wiring Systems, Ltd. Terminal and crimping method
DE10223397A1 (en) 2003-10-04 2003-12-24 Edelhoff Adolf Feindrahtwerk Contacting insulated cable with aluminum or aluminum alloy conductors, e.g. for aircraft or motor vehicle, by inserting tinned sleeve over stripped end, tinning and sliding contact terminal over before pressing
CN101262091A (en) 2007-01-23 2008-09-10 矢崎总业株式会社 Terminal crimping structure and terminal crimping method and wire harness with the terminal crimping structure
JP2010015915A (en) 2008-07-07 2010-01-21 Autonetworks Technologies Ltd Crimp-type terminal, cable with terminal, and method for manufacturing cable with terminal
JP2010205583A (en) 2009-03-04 2010-09-16 Autonetworks Technologies Ltd Crimp style terminal and wire with terminal
CN101861680A (en) 2007-11-16 2010-10-13 矢崎总业株式会社 Press-clamping structure for press-clamping aluminum electric wire to terminal
US8221171B2 (en) * 2007-11-01 2012-07-17 Autonetworks Technologies, Ltd. Crimp terminal, terminal-provided wire, and manufacturing method thereof
US20130130569A1 (en) * 2010-05-14 2013-05-23 Yazaki Corporation Structure for connecting electric wire to crimp terminal
US8519267B2 (en) * 2009-02-16 2013-08-27 Carlisle Interconnect Technologies, Inc. Terminal having integral oxide breaker
US20140235117A1 (en) * 2011-11-11 2014-08-21 Yazaki Corporation Structure and method for connection of connector terminal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717839A (en) * 1971-01-08 1973-02-20 Amp Inc Threaded electrical connections
JP2010097704A (en) * 2008-10-14 2010-04-30 Sumitomo Wiring Syst Ltd Wire with molded connector
JP2010108828A (en) * 2008-10-31 2010-05-13 Furukawa Electric Co Ltd:The Connecting part and connecting method of conductor and terminal
JP5534820B2 (en) 2010-01-04 2014-07-02 キヤノン株式会社 Reaction liquid, ink jet recording method, and ink set

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594713A (en) 1970-03-06 1971-07-20 Amp Inc Electrical connector
US3728665A (en) 1970-10-26 1973-04-17 Thomas & Betts Corp Electrical connector
JPS5330189U (en) 1970-10-26 1978-03-15 Thomas & Betts Corp Electrical connector
US3955044A (en) * 1970-12-03 1976-05-04 Amp Incorporated Corrosion proof terminal for aluminum wire
US4118097A (en) * 1976-12-29 1978-10-03 Altek Systems, Inc. Battery cable terminal assembly and method of manufacture
US5254022A (en) * 1989-07-28 1993-10-19 Edward W. Burger Electrical connector device and method of manufacturer thereof
DE19843886A1 (en) 1998-09-24 2000-03-30 Grote & Hartmann Cable shoe for electrical conductor wire or cable, has termination sleeve receiving stripped end of conductor wire or cable enclosed coaxially by reinforcing sleeve
US6206727B1 (en) * 1998-11-27 2001-03-27 Sumitomo Wiring Systems, Ltd. Terminal and crimping method
DE10223397A1 (en) 2003-10-04 2003-12-24 Edelhoff Adolf Feindrahtwerk Contacting insulated cable with aluminum or aluminum alloy conductors, e.g. for aircraft or motor vehicle, by inserting tinned sleeve over stripped end, tinning and sliding contact terminal over before pressing
CN101262091A (en) 2007-01-23 2008-09-10 矢崎总业株式会社 Terminal crimping structure and terminal crimping method and wire harness with the terminal crimping structure
US8221171B2 (en) * 2007-11-01 2012-07-17 Autonetworks Technologies, Ltd. Crimp terminal, terminal-provided wire, and manufacturing method thereof
CN101861680A (en) 2007-11-16 2010-10-13 矢崎总业株式会社 Press-clamping structure for press-clamping aluminum electric wire to terminal
JP2010015915A (en) 2008-07-07 2010-01-21 Autonetworks Technologies Ltd Crimp-type terminal, cable with terminal, and method for manufacturing cable with terminal
US8519267B2 (en) * 2009-02-16 2013-08-27 Carlisle Interconnect Technologies, Inc. Terminal having integral oxide breaker
JP2010205583A (en) 2009-03-04 2010-09-16 Autonetworks Technologies Ltd Crimp style terminal and wire with terminal
US20130130569A1 (en) * 2010-05-14 2013-05-23 Yazaki Corporation Structure for connecting electric wire to crimp terminal
US20140235117A1 (en) * 2011-11-11 2014-08-21 Yazaki Corporation Structure and method for connection of connector terminal

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
The Chinese office action letter issued on May 6, 2015 in the counterpart Chinese patent application.
The Japanese office action letter issued on Jun. 2, 2015 in the counterpart Japanese patent application.
The Korean office action letter issued on Feb. 16, 2015 in the counterpart Korean application. The Japanese office action letter issued on Apr. 7, 2015 in the counterpart Japanese application.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150340772A1 (en) * 2013-02-23 2015-11-26 Furukawa Electric Co., Ltd. Crimp terminal, method of manufacturing crimp terminal, electrical wire connection structure, and method of manufacturing electrical wire connection structure
US9525215B2 (en) * 2013-02-23 2016-12-20 Furukawa Electric Co., Ltd. Crimp terminal, method of manufacturing crimp terminal, electrical wire connection structure, and method of manufacturing electrical wire connection structure
US11101577B2 (en) * 2018-02-02 2021-08-24 Optimal Ventures LLC Method for connecting a crimp terminal to an electric wire

Also Published As

Publication number Publication date
JP2013004409A (en) 2013-01-07
DE112012002559T5 (en) 2014-03-13
KR20140022104A (en) 2014-02-21
JP5789136B2 (en) 2015-10-07
CN103620871A (en) 2014-03-05
US20140106629A1 (en) 2014-04-17
WO2012176436A1 (en) 2012-12-27

Similar Documents

Publication Publication Date Title
US9136613B2 (en) Electric connection terminal
US9543689B2 (en) Terminal crimped wire
US9287655B2 (en) Crimped terminal attached aluminum electric wire
US8876564B2 (en) Connection structure of crimping terminal to electric wire
US7207850B2 (en) Wire press-clamping method
US9502785B2 (en) Electrical terminal for terminating a wire
US9502784B2 (en) Terminal attached aluminum electric wire
KR101629125B1 (en) Terminal fitting
WO2011115006A1 (en) Terminal fitting, and cable having terminal fitting
US9647382B2 (en) Connector terminal having a two-part waterproof case
JP5418332B2 (en) Electric wire with terminal bracket
US9509085B2 (en) Wire with corrosion-resistant terminal
US20140224536A1 (en) Electric wire terminal connection structure and intermediary cap used for the same
US9570840B2 (en) Corrosion-resistant terminal, wire with corrosion-resistant terminal and method for producing wire with corrosion-resistant terminal
JP6996974B2 (en) Manufacturing method of electric wire with terminal and electric wire with terminal
JP6016999B2 (en) Connection structure
JP2014107072A (en) Wire with terminal
JP7339067B2 (en) Wires with terminals and terminal fittings
US20210066821A1 (en) Electric-wire-equipped terminal and method of manufacturing the same
KR101833650B1 (en) Wire harness, method of connecting terminal and coated wire, and mold
JP6549920B2 (en) Wire with Terminal, Wire Harness Structure, and Method of Manufacturing Wire with Terminal
JP2020119734A (en) Terminal, electric wire with terminal, and manufacturing method thereof

Legal Events

Date Code Title Description
AS Assignment

Owner name: YAZAKI CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MATSUSHITA, KOUICHIRO;REEL/FRAME:031806/0062

Effective date: 20131129

STCF Information on status: patent grant

Free format text: PATENTED CASE

MAFP Maintenance fee payment

Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

Year of fee payment: 4

FEPP Fee payment procedure

Free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

LAPS Lapse for failure to pay maintenance fees

Free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Lapsed due to failure to pay maintenance fee

Effective date: 20230915